| Keiller McCullough | |
| Fullname: | Keiller McCullough |
| Birth Date: | 5 March 1905 |
| Birth Place: | Larne, Ireland |
| Height: | 5 ft 10+1/2 in[1] |
| Years1: | 1927–1935 |
| Clubs1: | Belfast Celtic |
| Years2: | 1935–1937 |
| Clubs2: | Manchester City |
| Caps2: | 17 |
| Goals2: | 1 |
| Years3: | 1937–1939 |
| Clubs3: | Northampton Town |
| Caps3: | 38 |
| Goals3: | 1 |
| Totalcaps: | 55 |
| Totalgoals: | 2 |
| Nationalyears1: | 1935–1936 |
| Nationalteam1: | Ireland |
| Nationalcaps1: | 5 |
| Nationalgoals1: | 0 |
Keiller McCullough (born 25 March 1905) was an Irish professional footballer who played as a right half and inside right for Belfast Celtic, Manchester City, and Northampton Town.[2]